Population growth and rising sea levels will increase pressure on our farmlands to grow more food. But one British design graduate is hoping to combat that sobering trend with her concept of a floating farm at sea. VOA’s Julie Taboh has more.
Nearly 2 million pilgrims from around the world gather this week near the Muslim holy city of Mecca for the annual Hajj. Worshippers crowd in close quarters often eating and sleeping outside, which may put them at risk for illness. Saudi Arabia's health minister says the Kingdom is ready. Arash Arabasadi reports.
A prosthetic hand might look like a hand and move like a hand. But can it ever feel like a hand? Johns Hopkins University graduate student Luke Osborn says yes. As Faith Lapidus reports, Osborn has developed an "electronic skin" that can help amputees feel pressure and even pain - once more.
Women still lag far behind men when it comes to careers in the fastest growing technology fields. Recent studies show fewer than 20 percent of women will pursue careers in Science, Technology, Engineering and Mathematics or STEM for short. Two sisters in Maryland have started their own summer camp to get more women interested in STEM careers. Cristina Caicedo Smit reports.
The world's oceans are filled with trace amounts of uranium, the primary fuel for nuclear power reactors. The trick is extracting it from the seawater. Now, scientists in the U.S. say they have done that using yarn, and extracted 5 grams of the powdered form of uranium used to produce reactor fuel. Faith Lapidus reports.